/* $Id: corefunc.hh,v 1.4 2008-05-11 13:51:50 sybreon Exp $
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/* $Id: corefunc.hh,v 1.4 2008-05-11 13:51:50 sybreon Exp $
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**
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**
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** AEMB Function Verification C++ Testbench
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** AEMB Function Verification C++ Testbench
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** Copyright (C) 2004-2008 Shawn Tan
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** Copyright (C) 2004-2008 Shawn Tan
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**
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**
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** This file is part of AEMB.
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** This file is part of AEMB.
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**
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**
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** AEMB is free software: you can redistribute it and/or modify it
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** AEMB is free software: you can redistribute it and/or modify it
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** under the terms of the GNU General Public License as published by
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** under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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** (at your option) any later version.
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**
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**
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** AEMB is distributed in the hope that it will be useful, but WITHOUT
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** AEMB is distributed in the hope that it will be useful, but WITHOUT
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** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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** or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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** or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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** License for more details.
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** License for more details.
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**
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**
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** You should have received a copy of the GNU General Public License
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** You should have received a copy of the GNU General Public License
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** along with AEMB. If not, see .
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** along with AEMB. If not, see .
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*/
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*/
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/**
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/**
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AEMB Software Verification
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AEMB Software Verification
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@file corefunc.hh
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@file corefunc.hh
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These are custom functions written to test certain hardware functions
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These are custom functions written to test certain hardware functions
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that cannot be tested through numerical algorithms.
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that cannot be tested through numerical algorithms.
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*/
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*/
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#ifndef COREFUNC_HH
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#ifndef COREFUNC_HH
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#define COREFUNC_HH
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#define COREFUNC_HH
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#define MAGIC 0xAE62AE62 // magic number
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define MAGIC 0xAE63AE63 // magic number
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volatile int exce = 0;
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void exceptionHandler()
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{
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exce++; // flag the exception service routine
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}
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volatile void _hw_exception_handler()
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{
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//exceptionHandler();
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exce++;
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asm volatile (//"lwi r15,r1,0\n"
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"rted r17, 0\n"
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"nop\n");
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//"addik r1,r1,28\n");
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}
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/**
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EXCEPTION TEST ROUTINE
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*/
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int exceptionTest(int timeout)
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{
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volatile int *toggle = (int *)0xFFFFFFE2;
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// enable exceptions
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asm volatile (".long 0xDEADC0DE"); // define illegal instruction (1 error)
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*toggle = *toggle; // test unaligned memory access (2 errors)
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// disable exceptions
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return (exce != 3) ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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volatile int intr = 0;
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volatile int intr = 0;
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void __attribute__ ((interrupt_handler)) interruptHandler()
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void __attribute__ ((interrupt_handler)) interruptHandler()
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{
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{
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int *toggle = (int *)0xFFFFFFE0;
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int *toggle = (int *)0xFFFFFFE0;
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intr++; // flag the interrupt service routine
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intr++; // flag the interrupt service routine
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*toggle = -1; // disable interrupts
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*toggle = -1; // disable interrupts
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}
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}
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/**
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/**
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INTERRUPT TEST ROUTINE
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INTERRUPT TEST ROUTINE
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*/
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*/
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int interruptTest(int timeout)
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int interruptTest(int timeout)
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{
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{
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aembEnableInterrupts();
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aembEnableInterrupts();
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for (int timer=0; (timer < timeout * 100); ++timer)
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for (int timer=0; (timer < timeout * 100); ++timer)
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asm volatile ("nop"); // delay loop
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asm volatile ("nop"); // delay loop
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aembDisableInterrupts();
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aembDisableInterrupts();
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return (intr == 0) ? EXIT_FAILURE : EXIT_SUCCESS;
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return (intr == 0) ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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}
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/**
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/**
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FSL TEST ROUTINE
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FSL TEST ROUTINE
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*/
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*/
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int xslTest (int code)
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int xslTest (int code)
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{
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{
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// TEST FSL1 ONLY
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// TEST FSL1 ONLY
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int FSL = code;
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int FSL = code;
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asm ("PUT %0, RFSL0" :: "r"(FSL));
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asm ("PUT %0, RFSL0" :: "r"(FSL));
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asm ("GET %0, RFSL0" : "=r"(FSL));
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asm ("GET %0, RFSL0" : "=r"(FSL));
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if (FSL != code) return EXIT_FAILURE;
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if (FSL != code) return EXIT_FAILURE;
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asm ("PUT %0, RFSL31" :: "r"(FSL));
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asm ("PUT %0, RFSL31" :: "r"(FSL));
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asm ("GET %0, RFSL31" : "=r"(FSL));
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asm ("GET %0, RFSL31" : "=r"(FSL));
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if (FSL != code) return EXIT_FAILURE;
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if (FSL != code) return EXIT_FAILURE;
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return EXIT_SUCCESS;
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return EXIT_SUCCESS;
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}
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}
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/**
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/**
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MALLOC TEST
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MALLOC TEST
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Works well with newlib malloc routine. Do some patterned tests.
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Works well with newlib malloc routine. Do some patterned tests.
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*/
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*/
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int memoryTest(int size)
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int memoryTest(int size)
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{
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{
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volatile void *alloc;
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volatile void *alloc;
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int magic;
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int magic;
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alloc = malloc(size * sizeof(int)); // allocate 32 byte
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alloc = malloc(size * sizeof(int)); // allocate 32 byte
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if (alloc == NULL)
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if (alloc == NULL)
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return EXIT_FAILURE;
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return EXIT_FAILURE;
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*(int *)alloc = MAGIC; // write to memory
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*(int *)alloc = MAGIC; // write to memory
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magic = *(int *)alloc; // read from memory
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magic = *(int *)alloc; // read from memory
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return (magic == MAGIC) ? EXIT_SUCCESS : EXIT_FAILURE;
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return (magic == MAGIC) ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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/*
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#endif
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$Log: not supported by cvs2svn $
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Revision 1.3 2008/05/01 08:37:37 sybreon
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Added interrupt capability.
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Revision 1.2 2008/04/28 20:30:24 sybreon
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Changed to new headers.
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Revision 1.1 2008/04/27 16:04:42 sybreon
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Minor cosmetic changes.
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*/
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